Mirador Viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504226_00101_u001/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-4cef6608-eb43-4f16-bca0-536fd1c809e2",
      "cw-5f52e29a-a062-4b9c-bbbb-8dd5a5c670d0"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-0b83efa3-a837-426a-9d54-8274894b903b",
    "manifestId": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504226_00101_u001/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": true,
    "sideBarPanel": "calendar",
    "thumbnailNavigationId": "cw-5f52e29a-a062-4b9c-bbbb-8dd5a5c670d0",
    "thumbnailNavigationPosition": "far-right",
    "allowClose": false,
    "calendarNavigation": {
      "issueId": "bsb10504226_00101_u001",
      "navDate": "1817-02-15",
      "multId": "bsbmult00000023",
      "lastSearchUrl": null
    },
    "canvasIndex": 4,
    "dfgViewerUrl": null,
    "loadedManifest": "https://api.digitale-sammlungen.de/iiif/presentation/v2/bsb10504226_00101_u001/manifest",
    "shiftBookView": false,
    "switchCanvasOnSearch": false,
    "view": "single"
  }
}